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P-2 Neptune vs P-3 Orion

P-2 Neptune vs P-3 Orion at a glance — top speed 584 vs 750 km/h, range 3,471 vs 2,491 km, max takeoff weight 36,240 vs 64,410 kg, built 1,177 vs 757 units.

Lockheed P-2 Neptune military special mission aircraft side profile drawing
🇺🇸 P-2 Neptune
Lockheed P-3 Orion military special mission aircraft side profile drawing
🇺🇸 P-3 Orion
Specifications
P-2 Neptune P-3 Orion
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Special Mission Aircraft Military Special Mission Aircraft
Manufacturer Lockheed Lockheed
First flight 17 May 1945 19 August 1958
Year introduced 1947 1962
Number produced 1177 units 757 units
Average unit price -- $36 million
Wing area 92.9 m² 121.0 m²
Wingspan 31.7 m 30.4 m
Height 8.9 m 11.8 m
Length 27.9 m 35.6 m
Maximum speed 584 km/h 750 km/h
Operational range 3,471 km 2,491 km
Service ceiling 6,828 m 8,626 m
Max. takeoff weight 36,240 kg 64,410 kg
Empty weight 22,650 kg 35,017 kg
Total thrust 2 x 2,759 kW 4 x 3,430 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the P-2 Neptune or P-3 Orion?
The P-3 Orion is faster with a maximum speed of 750 km/h compared to the P-2 Neptune's 584 km/h, a difference of 166 km/h.
Which has longer range, the P-2 Neptune or P-3 Orion?
The P-2 Neptune has a longer range at 3,471 km compared to the P-3 Orion's 2,491 km.
Which can fly higher, the P-2 Neptune or P-3 Orion?
The P-3 Orion has a higher service ceiling at 8,626 meters (28,300 ft) compared to the P-2 Neptune's 6,828 meters (22,401 ft).
Which is heavier, the P-2 Neptune or P-3 Orion?
The P-3 Orion has a higher maximum takeoff weight at 64,410 kg compared to the P-2 Neptune's 36,240 kg.
Which is larger, the P-2 Neptune or P-3 Orion?
The P-3 Orion is longer at 35.6 meters compared to the P-2 Neptune's 27.9 meters.
Which entered service first, the P-2 Neptune or P-3 Orion?
The P-2 Neptune entered service first in 1947, 15 years before the P-3 Orion which entered service in 1962.
Which has been built in greater numbers, the P-2 Neptune or P-3 Orion?
The P-2 Neptune has been produced in greater numbers with 1,177 units compared to 757 units of the P-3 Orion.